ama daetz is in watertown, massachusetts, with the latest. >> eric and christian, in -- kristen, in the greater boston area 7.6 million are told to shelter in place. no school. no mass transit. no one in or out of the town of watertown behind me on the border of it here. we have seen lots of officers, bus loads, full bus loads coming by as police continue the investigation with flashing lights behind me looking for the second suspect in the boston marathon bombing. look at this piurof the suspect. he was the man in the white from the pictures released yesterday from te f.b.i. and he has been identified a dzhokhar tsarnaev. that is who they arelookin for, going door to door to find the man believed his brother, the other suspect, we learned he was killed overnight and this happened after a university officer at m.i.t. was shot and killed. the suspect then led police on a man hunt, a car chase, and this was gunfire. they were throwing things out of the car, explosives and that is when an officer was critically injured and the brother was shot and killed. now, police are now looking for th